Home / 124,791.02-172,211.22-68,202.39

Finding the Fourth Proportional to 124,791.02, 172,211.22 and 68,202.39

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Solution

The fourth proportional to 124,791.02, 172,211.22 and 68,202.39 is: 94,119.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,791.02 : 172,211.22 = 68,202.39 : x
  2. Step 2: Convert to fraction form
    124,791.02/172,211.22 = 68,202.39/x
  3. Step 3: Cross multiply
    124,791.02x = 172,211.22 × 68,202.39
  4. Step 4: Simplify right side
    124,791.02x = 11,745,216,788.82
  5. Step 5: Solve for x
    x = 11,745,216,788.82/124,791.02
  6. Step 6: Final answer
    x = 94,119.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.